FR2291808B1 - - Google Patents
Info
- Publication number
- FR2291808B1 FR2291808B1 FR7535852A FR7535852A FR2291808B1 FR 2291808 B1 FR2291808 B1 FR 2291808B1 FR 7535852 A FR7535852 A FR 7535852A FR 7535852 A FR7535852 A FR 7535852A FR 2291808 B1 FR2291808 B1 FR 2291808B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Forging (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49134211A JPS5232855B2 (ko) | 1974-11-25 | 1974-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2291808A1 FR2291808A1 (fr) | 1976-06-18 |
| FR2291808B1 true FR2291808B1 (ko) | 1980-04-30 |
Family
ID=15123008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7535852A Granted FR2291808A1 (fr) | 1974-11-25 | 1975-11-24 | Matrice de formage par roulage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4065948A (ko) |
| JP (1) | JPS5232855B2 (ko) |
| DE (1) | DE2552651A1 (ko) |
| FR (1) | FR2291808A1 (ko) |
| GB (1) | GB1506479A (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4488418A (en) * | 1982-03-11 | 1984-12-18 | Ex-Cell-O Corporation | Apparatus for roll sizing diameters |
| US5182937A (en) * | 1991-09-17 | 1993-02-02 | Quamco, Inc. | Seam-free thread rolling dies |
| US5243843A (en) * | 1991-09-17 | 1993-09-14 | Quamco, Inc. | Thread forming method and apparatus |
| US7866198B2 (en) * | 2008-03-26 | 2011-01-11 | American Axle & Manufacturing, Inc. | Method of producing a stepped shaft |
| CN103567346B (zh) * | 2013-11-07 | 2015-09-09 | 北京机电研究所 | 一种扇形包角大于180°辊锻模的设计方法 |
| US10279440B2 (en) * | 2015-05-11 | 2019-05-07 | Huaiji Dengyun Auto-Parts (Holding) Co., Ltd. | Precision forming method of high-efficiency and near-net hollow valve blank of engine |
| US20190176215A1 (en) * | 2017-12-07 | 2019-06-13 | Po-Jung Liao | Method for forming a spanner |
| CN110252816B (zh) * | 2019-06-18 | 2020-11-06 | 北京科技大学 | 一种带坯料预制楔楔横轧模具及无料头轧件轧制成形方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US186905A (en) * | 1877-01-30 | Improvement in machines for making screw-blanks | ||
| JPS5219536B2 (ko) * | 1972-12-18 | 1977-05-28 | ||
| JPS5232736B2 (ko) * | 1973-10-08 | 1977-08-23 | Mitsubishi Heavy Ind Ltd |
-
1974
- 1974-11-25 JP JP49134211A patent/JPS5232855B2/ja not_active Expired
-
1975
- 1975-11-03 US US05/628,558 patent/US4065948A/en not_active Expired - Lifetime
- 1975-11-24 DE DE19752552651 patent/DE2552651A1/de not_active Withdrawn
- 1975-11-24 FR FR7535852A patent/FR2291808A1/fr active Granted
- 1975-11-24 GB GB48278/75A patent/GB1506479A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2552651A1 (de) | 1976-08-12 |
| GB1506479A (en) | 1978-04-05 |
| JPS5232855B2 (ko) | 1977-08-24 |
| US4065948A (en) | 1978-01-03 |
| JPS5160654A (ko) | 1976-05-26 |
| FR2291808A1 (fr) | 1976-06-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |